672095280 has 40 divisors (see below), whose sum is σ = 2083496112. Its totient is φ = 179225344.

The previous prime is 672095273. The next prime is 672095293. The reversal of 672095280 is 82590276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399959 + ... + 1400438.

Almost surely, 2^672095280 is an apocalyptic number.

672095280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

672095280 is an abundant number, since it is smaller than the sum of its proper divisors (1411400832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

672095280 is a wasteful number, since it uses less digits than its factorization.

672095280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2800413 (or 2800407 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 672095280 is about 25924.8004813923. The cubic root of 672095280 is about 875.9452229045.

The spelling of 672095280 in words is "six hundred seventy-two million, ninety-five thousand, two hundred eighty".